Created by Sue on February 19, 2013
Step 1: Preheat over to 450°F.
Step 2: On a rimmed baking sheet, toss mushrooms and thyme with Brussels sprouts and olive oil; season with salt and pepper.
Step 3: Roast on lower rack until golden brown and tender when pierced with a knife, 20 minutes.
Step 4: Serve hot, drizzled with balsamic vinegar, if desired.